Daily Sunspot Evaluation
Observation Sheet Tuesday, 1 May 2001
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 6
- Number of spots (f)
- 62
- Relative number (R)
- 122
- Observer
- ıH
- Reading
- counts consistent, some coordinates doubtful
- File
- 20010501.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 4 | 20 | 31W | 143 ⚠ | 34W | 5 | |
| 2 | EAC – 31 | 6 | 07W | 79 | 10W | ~12 | |
| 3 | HS – 1 | 26 | 06E | 66 | 03E | 1.5 | |
| 4 | EKC – 24 | 24 | 45E | 27 | 42E | ~17 | |
| 5 | HS – 1 | -11 | 49W | 121 | 52W | 2 | |
| 6 | HA – 1 | -11 | 31E | 41 | 28E | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.